QuiztudyPREMIUM
Google Advanced Data Analytics Professional Certificate • STUDY MODE
TEST YOUR KNOWLEDGE: THE ROLE OF STATISTICS IN DATA SCIENCE
QUESTION 1 OF 3
A data professional is analyzing real estate data. To estimate the mean rent of all the apartments in a large city, they calculate the mean rent of a random sample of 100 apartments. Which of the following best describes this statistical method?
A
Inferential statisticsCorrect AnswerB
A/B testingC
Data cleaningD
Descriptive statisticsExplanation:
This statistical method is inferential statistics, which makes inferences about a population based on a sample of the data.
QUESTION 2 OF 3
In statistics, a population can only include people.
A
TrueB
FalseCorrect AnswerExplanation:
In statistics, a population can include people, objects, events, or measurements.
QUESTION 3 OF 3
The mean weight of an entire population of elephants is an example of which of the following concepts?
A
Measure of dispersionB
ParameterCorrect AnswerC
Data visualizationD
StatisticExplanation:
The mean weight of an entire population of elephants is an example of a parameter. A parameter is a characteristic of a population.
Ready to test your recall?
A data professional is analyzing real estate data. To estimate the mean rent of all the apartments in a large city, they calculate the mean rent of a random sample of 100 apartments. Which of the following best describes this statistical method?
A
Inferential statistics
B
A/B testing
C
Data cleaning
D
Descriptive statistics
How confident are you in this answer?